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STM32MP157F Datasheet(PDF) 231 Page - STMicroelectronics

Part # STM32MP157F
Description  Arm® dual Cortex®-A7 800 MHz Cortex®-M4 MPU, 3D GPU, TFT/DSI, 37 comm. interfaces, 29 timers, adv. analog, crypto
PDF  260 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32MP157F Datasheet(HTML) 231 Page - STMicroelectronics

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DS12505 Rev 5
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STM32MP157C/F
Electrical characteristics
238
Refer to Section 6.3.17: I/O port characteristics for more details on the input/output
characteristics.
Table 107 gives the list of Ethernet MAC timings for the MDIO/SMA and Figure 57 shows
the corresponding timing diagram.
Figure 57. Ethernet MDIO/SMA timing diagram
Table 108 gives the list of Ethernet MAC timings for the RMII and Figure 58 shows the
corresponding timing diagram.
Table 107. Dynamics characteristics: Ethernet MAC timings for MDIO/SMA(1)
1. Guaranteed by characterization results.
Symbol
Parameter
Min
Typ
Max
Unit
tMDC
MDC cycle time(2.5 MHz)
399
400
401
ns
Td(MDIO)
Write data valid time
0.5
1
3
tsu(MDIO)
Read data setup time
13.5
-
-
th(MDIO)
Read data hold time
0
-
-
Table 108. Dynamics characteristics: Ethernet MAC timings for RMII(1)
1. Guaranteed by characterization results.
Symbol
Parameter
Min
Typ
Max
Unit
tsu(RXD)
Receive data setup time
2
-
-
ns
tih(RXD)
Receive data hold time
1.5
-
-
tsu(CRS)
Carrier sense setup time
1.5
-
-
tih(CRS)
Carrier sense hold time
1.5
-
-
td(TXEN)
Transmit enable valid delay time
5.5
6.5
9.5
td(TXD)
Transmit data valid delay time
6
6.5
10
MS31384V1
ETH_MDC
ETH_MDIO(O)
ETH_MDIO(I)
tMDC
td(MDIO)
tsu(MDIO)
th(MDIO)



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